Francis Alfred Vivian Morse1 
Child of Francis Alfred Vivian Morse
- [S37] BP2003 volume 2, page 2262. See link for full details for this source. Hereinafter cited as. [S37]
Georgiana Tollemache 
From 22 November 1848, her married name became Cowper-Temple.2
- [S37] BP2003 volume 3, page 3911. See link for full details for this source. Hereinafter cited as. [S37]
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 87. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003. [S37]
Peter Helbig
Hon. Charles Spencer Cowper1 
by Comte d’Orsay, 1845 2
Hon. Charles Spencer Cowper was born on 7 June 1816.3 He was the son of Peter Leopold Louis Francis Nassau Cowper, 5th Earl Cowper and Hon. Emily Mary Lamb.3 He married, firstly, Lady Harriett Anne Janes Frances Gardiner, daughter of Charles John Gardiner, 1st and last Earl of Blessington and Mary Campbell Macdougall, on 1 September 1852.1 He married, secondly, Jessie Mary McLean, daughter of Colonel Clinton McLean, on 11 April 1871.3 He died on 30 March 1879 at age 62.3
Child of Hon. Charles Spencer Cowper and Lady Harriett Anne Janes Frances Gardiner
- Mary Harriette Cowper3 b. 1853, d. 1854
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 192. Hereinafter cited as The Complete Peerage.
- [S120] R. S. Balfour, online <e-mail address>, Richard Glanville-Brown (“FTW – R S Balfour-Shekleton” emailed to British and European Nobility Register), downloaded 17 August 2005.
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 87. Hereinafter cited as The New Extinct Peerage.
Lady Harriett Anne Janes Frances Gardiner1,2 
From 1 December 1827, her married name became de Grimaud.1 From 1 September 1852, her married name became Cowper.
Child of Lady Harriett Anne Janes Frances Gardiner and Hon. Charles Spencer Cowper
- Mary Harriette Cowper3 b. 1853, d. 1854
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 192. Hereinafter cited as The Complete Peerage.
- [S3656] Dorothy Madsen, “re: Gardiner Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 March 2009. Hereinafter cited as “re: Gardiner Family.”
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 87. Hereinafter cited as The New Extinct Peerage.
Charles John Gardiner, 1st and last Earl of Blessington1 
by James Holmes, c 1812 2
Charles John Gardiner, 1st and last Earl of Blessington was born on 19 July 1782.1 He was the son of Luke Gardiner, 1st Viscount Mountjoy and Elizabeth Montgomery.1 He married, firstly, Mary Campbell Macdougall, daughter of Alexander Macdougall and Anne Hay, on 11 July 1812 at St. George’s Church, St. George Street, Hanover Square, London, EnglandG.1 He married, secondly, Margaret Power, daughter of Edmund Power and Ellen Sheehy, on 16 February 1818 at St. Mary’s Church, Bryanston Square, Marylebone, London, EnglandG.1 He died on 25 May 1829 at age 46 at Hôtel Maréchal-Ney, Paris, FranceG, from apoplexy, without surviving male issue.1 His will was proven (by probate) in May 1830.4
He was educated at Eton College, Windsor, Berkshire, EnglandG.1 He succeeded as the 2nd Viscount Mountjoy [I., 1795] on 5 June 1798.1 He held the office of Representative Peer (Whig) [Ireland] between 1809 and 1829.1 He was created 1st Earl of Blessington, [U.K.] on 12 January 1816.1 He held the office of Governor of County Tyrone.1
On his death, both of his peerages became extinct.1
Children of Charles John Gardiner, 1st and last Earl of Blessington and Mary Campbell Macdougall
- Lady Harriett Anne Janes Frances Gardiner+1 b. 5 Aug 1812, d. 17 Dec 1869
- Luke Wellington Gardiner, Viscount Mountjoy4 b. 11 Sep 1813, d. 26 Mar 1823
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume II, page 192. Hereinafter cited as The Complete Peerage.
- [S140] National Portrait Gallery, London, online http://www.npg.org.uk. Hereinafter cited as National Portrait Gallery.
- [S3409] Caroline Maubois, “re: Penancoet Family,” e-mail message to BENR, 2 December 2008. Hereinafter cited as “re: Penancoet Family.”
- [S6] Cokayne, and others, The Complete Peerage, volume II, page 193.
Commander Godfrey Maxwell Chenevix Trench1 
He was educated at Shrewsbury School, Shrewsbury, Shropshire, EnglandG.1 He gained the rank of Commander in the Royal Navy.1 He fought in the Second World War.1 He was awarded the Companion, Distinguished Service Order (D.S.O.) and bar.1 He was a history teacher.1 He lived in 1999 at Kelling, Holt, Norfolk, EnglandG.1
Children of Commander Godfrey Maxwell Chenevix Trench and Nancy Louise Birch
- Juliet Chenevix-Trench+1 b. 29 Sep 1947
- Frances Claire Chenevix-Trench+1 b. 12 Nov 1949
Mary Harriette Cowper1 
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 87. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 2, page 2427. See link for full details for this source. Hereinafter cited as. [S37]
Jessie Mary McLean1 
From 11 April 1871, her married name became Cowper.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 87. Hereinafter cited as The New Extinct Peerage.
- [S37] BP2003 volume 2, page 2427. See link for full details for this source. Hereinafter cited as. [S37]
Colonel Clinton McLean1
Child of Colonel Clinton McLean
- Jessie Mary McLean1 d. 7 Oct 1901
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 87. Hereinafter cited as The New Extinct Peerage.
